This signature file may be used to cryptographically verify file integrity, like this:: $ gpg --keyserver hkp://keyserver.ubuntu.com --recv-keys 0xA16EB94D $ gpg --list-keys 0xA16EB94D pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] uid Turnkey Linux Release Key $ gpg --verify turnkey-tomcat-12.1-squeeze-amd64-xen.tar.bz2.sig gpg: Signature made Tue Jun 4 16:37:35 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 5dbc6154625829ff045b8d7539bdd9654777586b * md5sum fb254d0d03ca3ffcbb61022645fe2c7f You can calculate these on your end and compare to check for errors, but cryptographic verification is recommended for security reasons. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iQEcBAABAgAGBQJRrhfIAAoJEIXCXpWhbrlNw/kIALciLzctaLz9YM6jT3O1Sw1X Tu91135qASO1NC9N4AO/cpOsWUtEZwFxqeus0LoPFMlZtJKLivOHk0YlnZunJfmG 0BLid0TIA9NYyFO03JGTPR8B7mdTDW83OUrL//3corU/oguM7wimYz/WZtPlwkeO jCi3q7o+BegJhNGVSdJuDfn1qhdTQ9vu+SA5XWyvch5QqxCg50dhkfyq6I/DULxo SpsE7GsURg0G+zy8kowTxlkYYgcaupO0DhtgIT0A+JEeugm3iY6JQ3Lz6w4fkR5N bo0GMLiigSl5UsTLhvvlDGXpRlvOvsCAEkTd8MC7ktnz2ROCejbIytGZ2Otr54k= =WA+K -----END PGP SIGNATURE-----